This Module is currently available.
Extension module for twinVCFilter
Offers individual filter outputs for each channel of the twinVCFilter module + additional notch filter outs. There are two polarizers that can control the cutoff-frequencies of twinVCFilter or work individually.
http://www.vermona.com/en/products/modules/product/tvcf-extension/
8 Users are observing this
These merchants probably sell this module. Huh?
Vermona tVCF-Extension
Vermona Vermona twinVCFilter Dual Filter